subject
Mathematics, 15.04.2020 17:17 kris7726

In a recent poll, the Gallup Organization found that 45% of adult Americans believe that the overall state of moral values in the United States is poor. a)Compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values in the United States is poor based on a random sample of 500 adult Americans.

b)Interpret the mean.

c)Would it be unusual to identify 240 adult Americans who believe that the overall state of moral values in the United States as poor based on a random sample of 500 adult Americans? Explain your answer

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:00, baabyylewis
Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°
Answers: 2
image
Mathematics, 21.06.2019 20:00, leigha54
Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10
Answers: 2
image
Mathematics, 21.06.2019 22:30, glosstear
An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount
Answers: 1
image
Mathematics, 22.06.2019 02:20, yarrito20011307
According to the general equation for conditional probability, if p(ab) = 4/5 and p(b)= 5/6, what is p(a|b)? a. 8/9 b. 35/36 c. 24/25 d. 15/16
Answers: 2
You know the right answer?
In a recent poll, the Gallup Organization found that 45% of adult Americans believe that the overall...

Questions in other subjects: